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- acetylene diiodide 二碘乙烯
- Allene is an isomer of methyl acetylene. 丙二烯是甲基乙炔的一种异构体。
- Baicheng City Acetylene Gas General Fact. 白城市乙炔气总厂。
- The depository for acetylene cylinder. 乙炔瓶放置处
- These gauges are designed for measuring the pressure of medium acetylene. 该压力表适用于测量乙炔介质的压力。
- Medium-pressure acetylene drying equipments adopt two-stage drying process. 中压乙炔干燥装置采用二级干燥工艺。
- The causes of fire and explosion at dissolving acetylene stationwas analyzed. 分析了溶解乙炔站火灾、爆炸的原因。
- Application of samarium diiodide in mediating intramolecular cyclization reactions was reviewed. 综述了二碘化钐在分子内环化反应中的应用。
- The second chapter makes a detailed study of the reactions of thioamides promoted by Samarium/samarium diiodide. 第二章对钐二碘化钐体系促进下硫代酰胺的反应进行了研究;
- This paper reports reductive reaction of the thiocarbamic esters with samarium diiodide to give disulfidesand carboxamides in good results. 报道在二碘化钐作用下,硫代氨基甲酸酯发生还原反应,得到较好产率的二硫醚和酰胺化合物。
- Use:Used for all kinds of metal-welding and cutting machines to transport oxygen and acetylene. 用途：供各类金属熔焊及切割器械输送氧气和乙炔气体用。
- Promoted by the samarium/samarium diiodide mixed reagent, the cross-coupling of thioamides and diarylketones, which provides enamines, is studied. 3. 2.;钐/二碘化钐促进下硫代酰胺与二芳酮发生交叉偶联;合成烯胺类衍生物的反应;
- The remaining 20%of the acetylene production is principally used for oxyacetylene cutting, heat treating, and welding. 乙炔生产的剩余20%25主要用于氧乙炔切割、热处理和焊接。
- It also supplies liquid oxygen, liquid nitrogen, acetylene, carbon dioxide, hydrogen, propane, freon,liquid ammonia,and rare element gas. 还兼营液氧、液氮、液氩、乙炔气、二氧化碳、氢气、丙烷气、氟里昂、液氨及其他高纯和稀有气体。
- In the darkness, the machine gun spat a vindictive white light like an acetylene torch. 机枪在黑暗中吐出一道凶厉的白光，活象一支喷火的乙炔吹管。
- The purification of acetylene by chlorination for production of dissolved acetylene. 溶解乙炔氯化净化技术及装置。
- In the high-pressure system both oxygen and acetylene are used from high-pressure cylinders. 在高压法中，氧气和乙炔都取用于高压瓶。
- G: Denotes gauges cleaned for gaseous steam, oxygen, hydrogen, carbon dioxide, acetylene and ammonia service etc. 指示用于蒸汽、氧气、氢气、二氧化碳和乙炔、氨。
- Use: Used for all kinds of metal-welding and cutting machines to transport oxygen and acetylene. 用途:供各类金属熔焊及切割器械输送氧气和乙炔气体用。
- The poly (3-methylthiophene) is used as electroactive material and mixed with acetylene black and P(VDF-HFP) to prepare a composite electrode. 由此得到的活性物质与乙炔黑、偏氟乙烯-六氟丙烯共聚物(P(VDF-HFP))混合制成复合电极。
